/Engine/Source/Runtime/Engine/Classes/Materials/MaterialExpressionVolumetricAdvancedMaterialInput.h
Get a tooltip for the specified connector.
virtual void GetConnectorToolTip ( int32 InputIndex, int32 OutputIndex, [TArray](API\Runtime\Core\Containers\TArray)< [FString](API\Runtime\Core\Containers\FString) > & OutToolTip )